Vopium for Windows Mobile is a free application which enables you to make cheap international calls, SMS, backup your contacts and much more directly from your mobile phone.
Download Vopium today; register as a user and save up to 90 % on international calls. You receive 15 free minutes and 15 free international SMS to try out our service
SJphone - SJphone is a VOIP softphone that allows you to speak with any other softphone running on a PC/PDA, any stand-alone IP-phone, or using Internet Telephony Service Provider (ITSP) with any traditional wired or mobile phone.
It supports both SIP and H.323 standards and is fully inter-operable with most major VOIP vendors and ITSPs
VOIP WM6.1 SIP Config - This tool allows you to use VOIP under Windows Mobile 6.1.
Download the file and install it in your phone.
Then, go to Today menu, Programs, Sip Config Tool, input your provider settings and save. Then, go to Today menu, Settings, Today, Items and check "Internet Calling"
X-Lite - Soft SIP VOIP Phone - A Free SIP-based User Agent [IP Phone] with all the features of a standard business telephone. The intuitive design and familiar layout provides for easy navigation. Already tested with Toshiba, Dell, Compaq/HP, Audiovox PocketPC devices
Cheap Call - Do you have expensive domestic or international calls on a regular basis? Try this little app to get away a lot cheaper or free.
How does it work:
The app allows you to call any number of your contacts or a manually entered one to be called via a voip call-in portal or a calling card with two clicks
4Talk is the easy way to turn your Pocket PC into a two way communication device suitable for short range transmissions. Pair two or more Pocket PC's to create a mini walkie talkie network, or use it in conjunction with your PC to create a continuous surveillance or baby monitoring device
Papaya - turns your phonebook into a fun and useful social network! It allows you to communicate with your friends cheaply and easily, no matter where you are. Using Papaya, you can play games with your friends, chat with them over IM, share pictures and other files, make cheap international calls, and more